package com.atguigu.gulimall.cart.vo;

import lombok.Data;

import java.math.BigDecimal;
import java.util.List;

/**
 * 虎丘属性的是否去进行计算
 */
@Data
public class Cart {
    List<CartItem> items;
    private Integer countNum;
    private Integer countType;
    private BigDecimal totalAmount;
    private BigDecimal reduce = new BigDecimal(0);

    public List<CartItem> getItems() {
        return items;
    }


    public Integer getCountNum() {
        int count = 0;
        if (items != null && items.size() > 0) {
            for (CartItem item : items) {
                count += item.getCount();
            }
        }
        return count;
    }



    public Integer getCountType() {
        int count = 0;
        if (items != null && items.size() > 0) {
            for (CartItem item : items) {
                count += 1;
            }
        }
        return count;
    }

    public void setCountType(Integer countType) {
        this.countType = countType;
    }

    public BigDecimal getTotalAmount() {
        //1 .  计算购物项的总价
        BigDecimal amount = new BigDecimal(0);
        if (items != null && items.size() > 0) {
            for (CartItem item : items) {
                if(item.isChecked()){
                    BigDecimal totalPrice = item.getTotalPrice();
                    amount = amount.add(totalPrice);
                }
            }
        }

        // 2.减去减免的价格
        BigDecimal subtract = amount.subtract(getReduce());

        return subtract;
    }

    public void setTotalAmount(BigDecimal totalAmount) {
        this.totalAmount = totalAmount;
    }

    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }
}


